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Thread: My timing issues...

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Posts: 41-50 of 61
2010-08-29 21:45:08
Well, everything is back together. Start up was well. Can ran normally. I put the dizzy back to where I thought, by ear, was 15*. I will check it tomorrow. Car runs well. I got some low end back so that is nice to have!

I will post pics later today. I am tired and about to eat dinner.
2010-08-29 21:59:17
I'm glad to hear about the one tooht off, that explains the whole thing
2010-09-02 02:08:15
This was the dumbest and weirdest thing ever.

To be honest, I do not think it was off one tooth but something was off. The dizzy showed 15 as super advanced. We zip tied the intake cam. It was good. The dowel pins were good on both cams. The links were 11 and the rollers in the chain were 20 between the dots on the cam gears. It looked like this.

For shits and giggles, we turned the exhaust cam the way that someone thought it should be turned. (Towards the firewall and away from the front of the engine if looking at the top of the cam) It would not manually crank over so that was clearly wrong. My valves were kissing my pistons.

We undid the cam from its gear, moved the gear back over one tooth (to where it was when we opened it) All that was moved was one tooth back and than one tooth forward. We ended up at the position that we had started with.

I made sure everything was on point, TDC, number one, rotor pointing to number one, all of it.

When I hooked up the timing light, it was different. 15 went back to the center again and everything is right now, the car runs a little bit better to be honest. I gave it some more timing and it ate it, no knocking whatsoever and the car runs well.

Now, what the fuck was different?!?!?!??! I cannot figure it out.

All I did was take the exhaust cam off of the gear, move it one tooth counter clockwise and than flip it back to what it was when I just started and opened the valve cover to begin with. Neat, all that for no changes, except the timing is now on point.

Awesome. Weird. Ghostly.
2010-09-02 08:08:20
Originally Posted by BenFenner
Yes it means the cam timing is 20 degrees off (one way or the other). It's really not good at all.

Correct me if i am wrong, but one skipped tooth would be 10*. There are 36 teeth on the gear. Car could possibly still run decent on a skipped tooth. 2 skipped teeth and I don't think it would wanna start.
2010-09-02 11:44:34
Originally Posted by Coheed
Correct me if i am wrong
We were talking about the crank sprocket skipping a tooth, not the cam sprocket.
2010-09-02 11:51:51
And just for the sake of discussion:

Being two teeth off on the intake and exhaust cam is equal to one tooth on the crank. Believe you and me that your car will start, but it will sound like a V8.
2010-09-02 15:42:03
BTW, I am running the timing at 15* now, I put it back there last night.
2010-09-02 20:15:35
It will run being off 20* and will sound kinda mean with severe lack of low end power.
2010-09-02 20:17:46
Ehhh, I'm pretty sure the valves would be destroyed pretty quickly running 20 degrees off?
2010-09-02 20:40:03
Nope. I ran as stated in my post above with no damage. Luck may be a factor.
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